What airlines fly to Bulgaria?

Lufthansa, Turkish Airlines and United Airlines are the top three most popular airlines that fly to Bulgaria from Washington, D.C. according to our data. Lufthansa is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Bulgaria. Keep in mind that there are 4 different airlines that fly to Bulgaria on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington, D.C. to Bulgaria?

British Airways, United Airlines, and Austrian Airlines are the most popular carriers operating from Washington, D.C. to Bulgaria

How long is the flight from Washington, D.C. to Bulgaria?

Flight times from Washington, D.C. to Bulgaria vary, but if you’re flying out of Washington, D.C. and flying into Sofia (one of the most popular routes), then the duration is 14h 20m on average. Another popular route from Washington, D.C. to Bulgaria is flying from Baltimore to Sofia, which will take roughly 14h 25m. Keep in mind that layovers or delays could extend your travel time.

When did momondo last update prices for flights from Washington, D.C. to Bulgaria?

Prices for flights from Washington, D.C. to Bulgaria refresh daily.

How many operators does momondo search for flights from Washington, D.C. to Bulgaria?

There are 4 operators available for flights from Washington, D.C. to Bulgaria as of September 2026.

How old do you have to be to fly from Washington, D.C. to Bulgaria?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Bulgaria.

What documentation or ID do you need to fly to Bulgaria?

The necessary travel and health documents for your Bulgaria trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$321 Cheap Flights from Washington, D.C. to Bulgaria in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Bulgaria

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:50 pm - 5:00 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

16h 10m1 stop Madrid Barajas

5:40 am - 4:20 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

17h 40m1 stop Madrid Barajas

$595Multiple Airlines

Mon, Nov 23 - Thu, Dec 3

11:55 pm - 6:20 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

12h 25m1 stop Munich Franz Josef Strauss

2:00 pm - 8:05 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

13h 05m1 stop Munich Franz Josef Strauss

$614Lufthansa

Tue, Oct 27 - Tue, Nov 10

9:55 am - 6:00 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

26h 05m2 stops Toronto Pearson Intl Vienna Intl

7:55 am - 8:10 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

19h 15m2 stops Vienna Intl Toronto Pearson Intl

$636Multiple Airlines

Tue, Oct 27 - Tue, Nov 10

11:55 pm - 6:20 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

12h 25m1 stop Munich Franz Josef Strauss

6:00 am - 3:55 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

16h 55m2 stops Munich Franz Josef Strauss Frankfurt am Main

$641Lufthansa

Tue, Oct 27 - Tue, Nov 10

1:15 pm - 9:25 pmIAD Washington, D.C. Dulles Intl-VAR Varna

25h 10m1 stop Istanbul

9:40 am - 12:45 pmVAR Varna-IAD Washington, D.C. Dulles Intl

33h 05m1 stop Istanbul

$688Turkish Airlines

Wed, Oct 14 - Tue, Oct 27

1:15 pm - 8:30 amIAD Washington, D.C. Dulles Intl-VAR Varna

12h 15m1 stop Istanbul

9:40 am - 12:45 pmVAR Varna-IAD Washington, D.C. Dulles Intl

33h 05m1 stop Istanbul

$688Turkish Airlines

Mon, Oct 12 - Tue, Oct 27

6:10 pm - 11:55 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

22h 45m1 stop Vienna Intl

7:55 am - 2:10 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

13h 15m1 stop Vienna Intl

$711Austrian Airlines

Tue, Dec 29 - Tue, Jan 12

5:35 pm - 1:15 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

12h 40m1 stop Munich Franz Josef Strauss

6:25 am - 2:35 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

15h 10m1 stop Frankfurt am Main

$713United Airlines

Wed, Dec 30 - Wed, Jan 13

5:35 pm - 1:15 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

12h 40m1 stop Munich Franz Josef Strauss

6:20 am - 3:05 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

15h 45m1 stop Frankfurt am Main

$719United Airlines

Wed, Jan 20 - Fri, Apr 9

6:10 pm - 6:00 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

16h 50m1 stop Vienna Intl

7:55 am - 2:10 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

13h 15m1 stop Vienna Intl

$726Austrian Airlines

Tue, Dec 29 - Tue, Jan 12

Cheap last minute flights

Enter your travel dates to find the best prices.

9:40 pm - 8:30 amIAD Washington, D.C. Dulles Intl-VAR Varna

27h 50m1 stop Istanbul

9:40 pm - 12:45 pmVAR Varna-IAD Washington, D.C. Dulles Intl

21h 05m1 stop Istanbul

$791Turkish Airlines

Mon, Oct 5 - Thu, Oct 29

9:40 pm - 8:30 amIAD Washington, D.C. Dulles Intl-VAR Varna

27h 50m1 stop Istanbul

9:40 am - 12:45 pmVAR Varna-IAD Washington, D.C. Dulles Intl

33h 05m1 stop Istanbul

$791Turkish Airlines

Mon, Oct 5 - Tue, Oct 27

10:20 pm - 6:40 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

13h 20m1 stop Munich Franz Josef Strauss

6:25 am - 4:55 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

16h 30m1 stop Frankfurt am Main

$964Lufthansa

Mon, Oct 5 - Wed, Oct 28

10:20 pm - 6:40 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

13h 20m1 stop Munich Franz Josef Strauss

6:25 am - 4:55 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

16h 30m1 stop Frankfurt am Main

$964Lufthansa

Mon, Oct 5 - Tue, Oct 27

5:45 pm - 3:20 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

14h 35m1 stop Vienna Intl

6:20 am - 1:35 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

14h 15m1 stop Frankfurt am Main

$976Multiple Airlines

Fri, Oct 2 - Fri, Oct 23

3:25 pm - 3:15 pmIAD Washington, D.C. Dulles Intl-VAR Varna

16h 50m2 stops Frankfurt am Main Vienna Intl

4:00 pm - 2:00 pmVAR Varna-IAD Washington, D.C. Dulles Intl

29h 00m1 stop Vienna Intl

$980Multiple Airlines

Sun, Oct 4 - Tue, Oct 13

4:02 pm - 3:15 pmIAD Washington, D.C. Dulles Intl-VAR Varna

40h 13m2 stops Chicago O'Hare Intl Vienna Intl

4:00 pm - 3:10 pmVAR Varna-IAD Washington, D.C. Dulles Intl

29h 10m1 stop Vienna Intl

$1,025Austrian Airlines

Sat, Oct 3 - Tue, Oct 27

5:45 pm - 3:15 pmIAD Washington, D.C. Dulles Intl-VAR Varna

14h 30m1 stop Vienna Intl

4:00 pm - 5:35 pmVAR Varna-IAD Washington, D.C. Dulles Intl

55h 35m2 stops Vienna Intl Chicago O'Hare Intl

$1,025Austrian Airlines

Mon, Oct 5 - Thu, Oct 29

10:20 pm - 11:15 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

17h 55m1 stop Munich Franz Josef Strauss

2:10 pm - 12:57 amSOF Sofia-IAD Washington, D.C. Dulles Intl

17h 47m2 stops Frankfurt am Main Chicago O'Hare Intl

$1,039United Airlines

Fri, Oct 2 - Fri, Oct 23

10:05 pm - 11:15 pmIAD Washington, D.C. Dulles Intl-SOF Sofia

18h 10m2 stops London Heathrow Munich Franz Josef Strauss

6:10 am - 8:25 pmSOF Sofia-IAD Washington, D.C. Dulles Intl

21h 15m2 stops Munich Franz Josef Strauss Toronto Pearson Intl

$1,050United Airlines

Fri, Oct 2 - Fri, Oct 23

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SWISS flights from Washington, D.C. to Bulgaria

Our best SWISS deals on Washington, D.C. to Bulgaria flight tickets

SWISS

Jan 17

IAD8:10 pmWashington, D.C. Dulles Intl

34h 05m

2 stops

SOF1:15 pmSofia

Apr 12

SOF3:50 pmSofia

31h 55m

1 stop

IAD4:45 pmWashington, D.C. Dulles Intl

$745

SWISS

Oct 13

IAD8:20 pmWashington, D.C. Dulles Intl

15h 20m

2 stops

SOF6:40 pmSofia

Oct 26

SOF3:00 pmSofia

33h 00m

1 stop

IAD6:00 pmWashington, D.C. Dulles Intl

$949

SWISS

Oct 12

IAD8:20 pmWashington, D.C. Dulles Intl

32h 50m

2 stops

SOF12:10 pmSofia

Oct 26

SOF3:00 pmSofia

33h 00m

1 stop

IAD6:00 pmWashington, D.C. Dulles Intl

$954

United Airlines flights from Washington, D.C. to Bulgaria

Our best United Airlines deals on Washington, D.C. to Bulgaria flight tickets

United Airlines

Dec 30

IAD5:35 pmWashington, D.C. Dulles Intl

12h 40m

1 stop

SOF1:15 pmSofia

Jan 13

SOF6:25 amSofia

15h 10m

1 stop

IAD2:35 pmWashington, D.C. Dulles Intl

$713

United Airlines

Jan 17

IAD5:35 pmWashington, D.C. Dulles Intl

12h 40m

1 stop

SOF1:15 pmSofia

Apr 13

SOF6:20 amSofia

15h 45m

1 stop

IAD3:05 pmWashington, D.C. Dulles Intl

$719

United Airlines

Jan 20

IAD5:35 pmWashington, D.C. Dulles Intl

12h 40m

1 stop

SOF1:15 pmSofia

Apr 7

SOF6:20 amSofia

17h 00m

2 stops

IAD4:20 pmWashington, D.C. Dulles Intl

$722

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Bulgaria that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Mon 11/23

5:50 pm-5:00 pm

1 stop16h 10m

Sofia

Thu 12/3

5:40 am-4:20 pm

1 stop17h 40m

$595

Quickest round-trip

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Tue 10/27

11:55 pm-6:20 pm

1 stop12h 25m

Sofia

Tue 11/10

2:00 pm-8:05 pm

1 stop13h 05m

$614

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Tue 10/27

9:55 am-6:00 pm

2 stops26h 05m

Sofia

Tue 11/10

7:55 am-8:10 pm

2 stops19h 15m

$636

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Tue 10/27

11:55 pm-6:20 pm

1 stop12h 25m

Sofia

Tue 11/10

6:00 am-3:55 pm

2 stops16h 55m

$641

Washington, D.C.Varna

IAD Washington, D.C. Dulles Intl - VAR Varna

IADVAR

Washington, D.C. Dulles Intl

Wed 10/14

1:15 pm-9:25 pm

1 stop25h 10m

Varna

Tue 10/27

9:40 am-12:45 pm

1 stop33h 05m

$688

Washington, D.C.Varna

IAD Washington, D.C. Dulles Intl - VAR Varna

IADVAR

Washington, D.C. Dulles Intl

Mon 10/12

1:15 pm-8:30 am

1 stop12h 15m

Varna

Tue 10/27

9:40 am-12:45 pm

1 stop33h 05m

$688

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Tue 12/29

6:10 pm-11:55 pm

1 stop22h 45m

Sofia

Tue 1/12

7:55 am-2:10 pm

1 stop13h 15m

$711

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Wed 12/30

5:35 pm-1:15 pm

1 stop12h 40m

Sofia

Wed 1/13

6:25 am-2:35 pm

1 stop15h 10m

$713

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Wed 1/20

5:35 pm-1:15 pm

1 stop12h 40m

Sofia

Fri 4/9

6:20 am-3:05 pm

1 stop15h 45m

$719

Washington, D.C.Sofia

IAD Washington, D.C. Dulles Intl - SOF Sofia

IADSOF

Washington, D.C. Dulles Intl

Tue 12/29

6:10 pm-6:00 pm

1 stop16h 50m

Sofia

Tue 1/12

7:55 am-2:10 pm

1 stop13h 15m

$726

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to Bulgaria

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Bulgaria?

If you aren’t able to travel to Bulgaria during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $650.

How far in advance should I book a flight from Washington, D.C. to Bulgaria?

You are more likely to see cheaper flights to Bulgaria from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Bulgaria for around $817 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bulgaria from Washington, D.C. for as low as $766 on momondo.

Can stopping save me money on Washington, D.C. to Bulgaria flights?

You could potentially save up to 22% on your flight if you consider stops on a Washington, D.C. to Bulgaria flight.

Cheap Washington, D.C. to Bulgaria flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Bulgaria

Best Price Found	$321
Fastest flight time	12h 20m
Direct flights	None

The best one-way flight to Bulgaria from Washington, D.C. in the past 72 hours is $321. The best round-trip flight deal from Washington, D.C. to Bulgaria found on momondo in the last 72 hours is $595.

The fastest flight from Washington, D.C. to Bulgaria takes 12h 20m

There are no direct flights from Washington, D.C. to Bulgaria. There are no popular flight routes from Washington, D.C. to Bulgaria.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Bulgaria

When did momondo last update prices for flights from Washington, D.C. to Bulgaria?
Prices for flights from Washington, D.C. to Bulgaria refresh daily.
How many operators does momondo search for flights from Washington, D.C. to Bulgaria?
There are 4 operators available for flights from Washington, D.C. to Bulgaria as of September 2026.
How old do you have to be to fly from Washington, D.C. to Bulgaria?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Bulgaria.
What documentation or ID do you need to fly to Bulgaria?
The necessary travel and health documents for your Bulgaria trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. to Bulgaria

Compare and see reviews for airlines that fly from Washington, D.C. to Bulgaria with momondo

Airline	Rating	Free Cancellation	Price
Turkish Airlines	PriceFrom $533	Free Cancellation	Rating 7.4 4,451 reviews	Search Turkish Airlines flights
United Airlines	PriceFrom $637	Free Cancellation	Rating 7.4 10,256 reviews	Search United Airlines flights
Lufthansa	PriceFrom $638	Free Cancellation	Rating 6.8 8,251 reviews	Search Lufthansa flights
Austrian Airlines	PriceFrom $782	Free Cancellation	Rating 7.5 974 reviews	Search Austrian Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Bulgaria?

Finding the right flight to Bulgaria from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Bulgaria quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Bulgaria with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Bulgaria flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Bulgaria?

momondo helps you find the best flight between Washington, D.C. and Bulgaria by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Bulgaria right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Bulgaria, momondo offers a useful price alert feature which will track prices for flights to Bulgaria from Washington, D.C. and alert you when they change.

An easier way to manage your Bulgaria trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Fri 10/30

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Find better results for your trip to Bulgaria

Popular cities

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Other flights to Bulgaria

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Complete your trip

Feeling lucky

Popular cities in Bulgaria

Flights to Sofiafrom $585

Flights to Varnafrom $679

Flights to Burgasfrom $921

Flights to Plovdivfrom $742

Cheap flights from Washington, D.C. to Bulgaria from $321

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Bulgaria departing on 10/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Washington, D.C. to Bulgaria

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Big names and deals

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SWISS flights from Washington, D.C. to Bulgaria

Our best SWISS deals on Washington, D.C. to Bulgaria flight tickets

United Airlines flights from Washington, D.C. to Bulgaria

Our best United Airlines deals on Washington, D.C. to Bulgaria flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Bulgaria that are best for you.

See travel insights to Bulgaria from

How to get the cheapest flight ticket from Washington, D.C. to Bulgaria

What is the cheapest month to fly to Bulgaria?

How far in advance should I book a flight from Washington, D.C. to Bulgaria?

Can stopping save me money on Washington, D.C. to Bulgaria flights?

What is the cheapest airline that flies from Washington, D.C. to Bulgaria?

What airlines fly to Bulgaria?

How long is the flight from Washington, D.C. to Bulgaria?

Cheap Washington, D.C. to Bulgaria flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. to Bulgaria

Best airlines flying from Washington, D.C. to Bulgaria

Compare and see reviews for airlines that fly from Washington, D.C. to Bulgaria with momondo

Why use momondo?

An easier way to manage your Bulgaria trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Bulgaria

Popular cities in Bulgaria

Popular flights according to clicks in the last 7 days on momondo

Washington, D.C. flight routes

According to popular flight searches on momondo this year

Bulgaria flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Bulgaria

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Bulgaria

List of cabin classes available on flights landing in Bulgaria. Availability may vary depending on flight origin and airline.

Complete your trip to Bulgaria

Explore popular destinations other users love

According to popular flight searches on momondo this year